A decent DIY Allsky Camera can easily cost over $400 USD to build. A “low-cost” Raspberry Pi 4B based system with HQ camera and wide-angle lens with enclosure will cost over $250 USD to build. If that price range is too steep for you, you might consider a very low cost option. It will not […]
An Inexpensive & Compact Allsky Camera? Read More »
A couple of months back, I put together an all sky camera system for the Martz-Kohl Observatory near Jamestown, in Western New York. An all sky camera provides a (near) 180-degree fisheye view of the sky. This project was a joint effort with other members of the observatory. One member supplied parts for the system
Raspberry Pi 4 Based AllSky Cameras Read More »
[UPDATED: 12 Jan 2022 with MongoDB 5.0.5 binaries] There is no official support from MongoDB for Debian ARM 64 or Raspbian64 Linux OS (now known as Raspberry Pi OS 64-bit). You can, however, compile the MongoDB Community Edition from source. I did just that 🙂 It did, however, take three days and a burnt Raspberry
MongoDB 5.0 under Raspberry Pi OS (64-bit) Read More »
Have a Raspberry Pi 4 with 4GB or 8GB of RAM and want to run the popular noSQL database, MongoDB? Read on for installing and running the latest 64-bit versions of MongoDB and Ubuntu 20.04. The short (TL;DR) instructions are to read and follow the official install guides for 64-bit Ubuntu Server 20.04 and MongoDB
MongoDB 4.4 & Ubuntu 20.04 on Raspberry Pi 4 Read More »
What is MathTerms? Here is the description from the Apple App Store. MathTerms is an illustrated glossary of mathematics terms in English and Spanish. The free iOS app includes almost 500 entries for middle- and high-school mathematical concepts. To help learners master speaking as well as reading, it encompasses audio pronunciations of terms, by English
MathTerms iOS App is now available Read More »
View your Raspberry Pi (Zero, 2, 3, 4) display on-the-go without VNC or prior configuration. Great inexpensive device for your toolbox! Laptop required 🙂 I have a bunch of R-Pis of various flavors. I also use R-Pi cameras (regular, IR and HQ) on a regular basis. I don’t always know the WiFi or network config
HDMI Video Capture via USB Adapter Read More »
This is yet another take on how-to create a time-lapse video. In my case, a website updates a photo of the sky on a regular basis. I wanted to turn that into a time-lapse video and deploy to another, or possibly the same, website. I decided to use a Raspberry Pi 4 that was “sitting
Timelapse video from a remote source Read More »
Ubuntu 18.04.x (ARM 64-bit) is now available for the Raspberry Pi 4. While not an officially supported OS from either the Foundation or Ubuntu, James A. Chambers has been working on a port for the Raspberry Pi 4. A 64-bit OS is required to run 64-bit MongoDB 4.2.x. MongoDB (the company) just recently provided a
MongoDB 4.2.x (64-bit) on Raspberry Pi 4 Read More »
I recently visited relatives that frequent casinos at Niagara Falls. I decided to brush-up my Blackjack skills (or lack thereof). I was also looking to enhance my Python (CircuitPython, that is) skills by developing projects, such as this Blackjack game 😉 The Adafruit PyPortal IoT Device with display has everything you need to connect to
PyPortal Blackjack game: uses sprites, touch, audio Read More »
The Adafruit PyPortal is a great little IoT device with lots of projects available. It’s an awesome H/W and S/W platform that inspires many creative ideas. The PyPortal uses an ATMEL (Microchip) ATSAMD51J20, and an Espressif ESP32 Wi-Fi coprocessor. PyPortal has a 3.2″ 320 x 240 color TFT resistive touch screen and has several built-in
PyPortal – access the micro-SD Card Read More »